E-Flora BC: Electronic Atlas of the Flora of British Columbia

Selaginella rupestris (L.) Spring
rock selaginella (northern selaginella)
Selaginellaceae (Spike-moss family)

Introduction to Vascular Plants

© Margaret Krichbaum  Email the photographer   (Photo ID #89622)

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Distribution of Selaginella rupestris
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Species Information

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General:
Evergreen perennial forming long or spreading mats, or rarely cushionlike mats, up to 6 cm in diameter and 1.5-4 cm tall.
Leaves:
Linear or linear-lanceolate, 2.5-4 (4.5) mm long, 0.5-0.6 mm wide, in alternate pseudowhorls of 4 (on lateral branches) and 6 (on main stem), margins fringed with long hairs, the hairs transparent, spreading with white, whitish or transparent, short-hairy, 0.5-1 (1.5) mm long bristle tips.
Cones:
Unstalked, strongly quadrangular, 0.5-3.5 mm long. 1-1.25 mm wide; sporophylls narrowly triangular; margins fringed or slightly toothed with long bristle tips.
Notes:
This species was discovered in 2001 in the Peace River area and is a western range extension of the species in North America (Douglas et al. 2002).

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry grassy ridges in the montane zone; rare in NE BC, known only from the lower Peace River; N to NT, E to PQ and NB and S to ME, NY, NC, GA, MS, AR, OK and WY.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Selaginella rupestris

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 2040 2213 2450
Slope Gradient (%) 59 59 59
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
225 225 225
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 3 3
Modal Nutrient Regime
Class
Number of field plots
 species was recorded in:
3
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: AT(1), ESSF(1)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Lycopodium rupestre L.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References